){kind=link}
private static XElementBuilder BuildLinearGradientElement(LinearGradient gradient)
{
var startPositionPreTranslate = Coordinate.Cartesian(-50, 0).Rotate(gradient.Angle);
var endPositionPreTranslate = Coordinate.Cartesian(-50, 0).Rotate(gradient.Angle.Plus(Angle.FromRotations(0.5M)));
var startPosition = startPositionPreTranslate.Translate(new Vector(50, 50));
var endPosition = endPositionPreTranslate.Translate(new Vector(50, 50));
var startPercentX = startPosition.X.ToString() + "%";
var startPercentY = 100 - startPosition.Y + "%";
var endPercentX = endPosition.X.ToString() + "%";
var endPercentY = 100 - endPosition.Y + "%";
return
(XElementBuilder.WithName("linearGradient").Add(
new XAttribute("x1", startPercentX),
new XAttribute("y1", startPercentY),
new XAttribute("x2", endPercentX),
new XAttribute("y2", endPercentY)
)
.Add(
new XElement("stop",
new XAttribute("offset", "0%"),
new XAttribute("style", $"stop-color:{SvgColor( gradient.Start )};stop-opacity:{SvgOpacity( gradient.Start )}")),
new XElement("stop",
new XAttribute("offset", "100%"),
new XAttribute("style", $"stop-color:{SvgColor( gradient.End )};stop-opacity:{SvgOpacity( gradient.End )}"))));
}